mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-15 13:57:57 -07:00
c1a139e8ac
We already have a TMDReader, so let's actually use it. And move ESFormats to IOS::ES, since it's definitely part of IOS. This adds a DiscIO dependency on Core which will be fixed in a follow-up PR.
104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
// Copyright 2009 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <cstddef>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "Common/Align.h"
|
|
#include "Common/Assert.h"
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/FileUtil.h"
|
|
#include "Common/Logging/Log.h"
|
|
#include "DiscIO/Blob.h"
|
|
#include "DiscIO/WiiWad.h"
|
|
|
|
namespace DiscIO
|
|
{
|
|
namespace
|
|
{
|
|
std::vector<u8> CreateWADEntry(IBlobReader& reader, u32 size, u64 offset)
|
|
{
|
|
if (size == 0)
|
|
return {};
|
|
|
|
std::vector<u8> buffer(size);
|
|
|
|
if (!reader.Read(offset, size, buffer.data()))
|
|
{
|
|
ERROR_LOG(DISCIO, "WiiWAD: Could not read from file");
|
|
PanicAlertT("WiiWAD: Could not read from file");
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
bool IsWiiWAD(const CBlobBigEndianReader& reader)
|
|
{
|
|
u32 header_size = 0;
|
|
u32 header_type = 0;
|
|
reader.ReadSwapped(0x0, &header_size);
|
|
reader.ReadSwapped(0x4, &header_type);
|
|
return header_size == 0x20 && (header_type == 0x49730000 || header_type == 0x69620000);
|
|
}
|
|
} // Anonymous namespace
|
|
|
|
WiiWAD::WiiWAD(const std::string& name)
|
|
{
|
|
std::unique_ptr<IBlobReader> reader(CreateBlobReader(name));
|
|
if (reader == nullptr || File::IsDirectory(name))
|
|
{
|
|
m_valid = false;
|
|
return;
|
|
}
|
|
|
|
m_valid = ParseWAD(*reader);
|
|
}
|
|
|
|
WiiWAD::~WiiWAD()
|
|
{
|
|
}
|
|
|
|
bool WiiWAD::ParseWAD(IBlobReader& reader)
|
|
{
|
|
CBlobBigEndianReader big_endian_reader(reader);
|
|
|
|
if (!IsWiiWAD(big_endian_reader))
|
|
return false;
|
|
|
|
u32 certificate_chain_size;
|
|
u32 reserved;
|
|
u32 ticket_size;
|
|
u32 tmd_size;
|
|
u32 data_app_size;
|
|
u32 footer_size;
|
|
|
|
if (!big_endian_reader.ReadSwapped(0x08, &certificate_chain_size) ||
|
|
!big_endian_reader.ReadSwapped(0x0C, &reserved) ||
|
|
!big_endian_reader.ReadSwapped(0x10, &ticket_size) ||
|
|
!big_endian_reader.ReadSwapped(0x14, &tmd_size) ||
|
|
!big_endian_reader.ReadSwapped(0x18, &data_app_size) ||
|
|
!big_endian_reader.ReadSwapped(0x1C, &footer_size))
|
|
return false;
|
|
|
|
if (MAX_LOGLEVEL >= LogTypes::LOG_LEVELS::LDEBUG)
|
|
_dbg_assert_msg_(BOOT, reserved == 0x00, "WiiWAD: Reserved must be 0x00");
|
|
|
|
u32 offset = 0x40;
|
|
m_certificate_chain = CreateWADEntry(reader, certificate_chain_size, offset);
|
|
offset += Common::AlignUp(certificate_chain_size, 0x40);
|
|
m_ticket.SetBytes(CreateWADEntry(reader, ticket_size, offset));
|
|
offset += Common::AlignUp(ticket_size, 0x40);
|
|
m_tmd.SetBytes(CreateWADEntry(reader, tmd_size, offset));
|
|
offset += Common::AlignUp(tmd_size, 0x40);
|
|
m_data_app = CreateWADEntry(reader, data_app_size, offset);
|
|
offset += Common::AlignUp(data_app_size, 0x40);
|
|
m_footer = CreateWADEntry(reader, footer_size, offset);
|
|
offset += Common::AlignUp(footer_size, 0x40);
|
|
|
|
return true;
|
|
}
|
|
|
|
} // namespace DiscIO
|